On 03/03/2016 04:32 PM, Ma Haijun wrote:

Hi Neil,

Glad to see the mainline efforts of this SoC family.

Previously, I did not really understand what this "RPS" stood for.
After some digging(1)., now I believe it means ARM's Reference Peripheral
Specification
though the spec itself seems not publicly available, the peripheral specs
are accessible.
The interrupt controller is an AMBA Interrupt Controller(2) and the timers
are
AMBA Timer(3). Besides, ARM Dual-Timer Module (SP804)(4) looks like an
extended version
of the AMBA timer

1)
http://infocenter.arm.com/help/topic/com.arm.doc.dai0030a/DAI0030A_sw_int_ap
psnote.pdf
2) http://infocenter.arm.com/help/topic/com.arm.doc.ddi0047d/DDI0047.pdf
3) http://infocenter.arm.com/help/topic/com.arm.doc.ddi0049c/AMBA_Timer.pdf
4) http://infocenter.arm.com/help/topic/com.arm.doc.ddi0271d/DDI0271.pdf

Regards,
Haijun

Hi Haijun,

Thanks for the tips !

Indeed the timer looks like the timer-sp804 actually upstream, I'll try this driver before posting a v2.

Concerning the IRQ controller, I did not find any similar drivers.

Marc, Arnd, should I create a specific "arm RPS irq controller" instead ?

Neil